查询词典 field coil

According to the basic principle of alternative current field measurement,the alternative current field sensor was designed,which was made up of drive coil and induction coil .

根据交变磁场测量法的基本原理，设计了一种由激励线圈和感应线圈组成的交变磁场传感器，可对空间"点"磁场进行测量。

Since the highly accurate RF field was significant to the image reconstruction of parallel data acquisition and surface coil array design, Biot-Savart Law was applied to calculate the magnetic field of surface coil. Then the sensitivity of the RF receiver coil was presented by Biot-Savart Law and Ansoft HFSS respectively.

论文用Biot-Savart定律计算了表面线圈的场；并分别用Biot-Savart定律和高频电磁场仿真软件Ansoft HFSS给出了表面线圈灵敏度函数的分布，讨论了高频效应对线圈灵敏度函数的影响。

Having introduced a set of dimensionless parameters, the spatial distributive function of the magnetic field and the induced electric field is made dimensionless and is applied to the computation and computer simulation of spatial distribution of the magnetic field and the electric field induced by a circular coil and a 8-shaped coil based on MATLAB.

在确定了一些无量纲参数后，对磁场及感应电场的分布函数进行无量纲化，并用于基于MATLAB环境下圆形、8字形线圈磁场及产生的感应电场的计算及其分布的计算机仿真。

Having elucidated the principles of magnetic stimulation, a macro model of magnetic stimulation of excitable tissue is constructed and a method for systematically computing the magnetic field and the electric field induced by circular coil and 8-shaped coil is put forward.

本文在阐明磁刺激基本原理后，建立了磁刺激可兴奋性组织的宏观模型。系统地推导出圆形、8字形线圈磁场及产生的感应电场的计算方法。

Fourthly, the magnetic field on coil axes is calculated when coil size is changed, which guide design of probe coil.

计算了不同线圈尺寸的圆柱形线圈在其轴线上磁场，为探头线圈尺寸提供了优化。

If a switch contact mechanism is built so that it can be actuated by the application of a magnetic field, and an electromagnet coil is placed in the near vicinity to produce that requisite field, it will be possible to open and close the switch by the application of a current through the coil.

如果一个开关联络机制，是建立，以便它能够驱动的应用磁场和电磁线圈放置在附近一带生产的必要的领域，将有可能打开和关闭交换机的应用电流通过线圈。

The deflection yoke includes a horizontal deflection coil located next to the outer circumference of a funnel to generate a horizontal magnetic field, and a vertical deflection coil installed at the outer circumference of the funnel to generate a vertical deflection magnetic field.

该偏转磁轭包括：水平偏转线圈，位于靠近所述玻锥的外周的位置，用于产生水平偏转磁场；垂直偏转线圈，安装在所述玻锥的外周，用于产生垂直偏转磁场。

And 0.4～0.6 respectively for the induction coil with round crosssection and rectangular cross-section; The magnetic flux density of coil made with round pipe was nonuniform, especially near the inner wall of coil turns that caused a fluctuation of electromagnetic pressure on the surface of liquid metal and had a bad effect for forming a sample with uniform cross-section and smooth surface; The system of screen and restraint magnetic field not only had an efficient effect on restraining the electromagnetic stirring and stablizing meniscus, also caused the conecial periphery of melt to be vertical; The position of top and S/L interface of melt had a direct effect on the meniscus shape. The meniscus profile varied from cone-shaped through column to cucurbituceous shape with the increase of top height or decrease of S/L interface.

对圆形截面、矩形截面感应圈来说D/H分别取0.7～1.1，0.4～0.6较为理想；对多匝感应圈来说，在匝间处存在漏磁，易引起熔体表面起伏不平，这种现象在用圆铜管绕制的感应圈中较为明显；屏蔽—抑流系统的加入可以消除电磁搅拌，使熔体稳定性增强，同时可使形态呈锥形的熔体侧面变得垂直成为理想形态；熔体上液面、固/液界面的选位直接影响成型形态，上液面升高，熔体形态经历锥形→柱形→葫芦形的转化，固/液界面下降则经历锥形→葫芦形的转变。

Because of the extremely short discharge times, currents of several tens of thousands of amperes are obtained, causing the coil to produce and enormously powerful increasing magnetic field, which, on passing through the disk, induces a current on it. Due to the turns ratio (16 turns coil - 1turn disk), the current through the disk is several times greater than that through the coil.

由于是极短的时间，这样就会获得几万A的电流，使线圈产生极大的磁场穿过铝盘，产生涡流，按照匝比计算（线圈16匝，铝盘1匝），铝盘上的电流是几倍于线圈。

The exciter coil produces a magnetic field which creates eddy currents in the casing that attenuate and shift the phase of the magnetic field recorded on the pickup coil to show wall thickness and splits.

在涡流作用下，供耦合线圈记录的磁场发生相位衰减和偏移，从而指示套管壁厚和裂缝。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。